AKHTER, S. Existence of Weak Solutions for Caputo’s Fractional Derivatives in Banach Spaces. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 39, p. 111–118, 2019. DOI: 10.3329/ganit.v39i0.44166. Disponível em: https://www.banglajol.info/index.php/GANIT/article/view/44166. Acesso em: 22 jul. 2024.